Computer Rating System Prediction Results for Pro football (NFL)

2008 Season Totals

System Pct. Correct Against Spread Absolute Error Bias Mean Square Error games suw sul atsw atsl
Mike Greenfield0.634830.5606911.28210.98140202.71800179113659776
NutShell Retro0.642860.5593911.32920.58010201.2970026717195146115
Dokter Entropy0.665410.5593911.14040.60120197.8720026717789146115
Ashby AccuRatings0.676690.5537211.07480.64220195.2930026718086134108
Stephen Kerns0.642860.5478912.0600-2.10030239.0590026717195143118
RP Excel0.620000.5414811.57380.49000223.6240025115595124105
NutShell Sports0.642860.5402311.57580.46130208.1730026717195141120
TheSportsCruncher0.649060.5390611.4180-0.33590208.9940026617293138118
Jeff Imes0.677880.5270911.85751.54200217.549002081416710796
Game Time Decision0.652000.5256411.07770.49690190.9880025116387123111
Pigskin Index0.672930.5224511.27310.72500196.5430026717987128117
Grid Iron Gold0.657890.5219111.2827-0.90510210.9860026717591131120
Reistertown Index0.642860.5196911.43820.47170206.5770026717195132122
Steven Jens0.661650.5175111.24310.85110201.3390026717690133124
Stat Fox0.646620.5163911.48290.57770204.2100026717294126118
Lee Burdorf0.605580.5163912.11000.62730230.7320025115299126118
Computer Adjusted Line0.661650.5156311.11050.26420193.53000267176903331
Nutshell Girl0.676600.5151511.39760.32180215.2480023615976119112
Logistic Regression0.620300.5135111.5665-1.26200213.37400267165101133126
Beck Elo0.635340.5134111.75710.08650215.9570026716997134127
PerformanZ Ratings0.616540.5115411.5385-0.02640207.15700267164102133127
JFM Power Ratings0.642860.5095811.35360.60970200.7050026717195133128
What If Sports0.660000.5085511.38920.11380204.8710025116585119115
Jeff Self0.684930.5069411.3019-0.56080213.73900147100467371
Michael Robert Ratings0.631580.5057511.37800.51250207.5470026716898132129
John Coffey0.651040.5053211.53830.53260208.72200193125679593
Sonny Moore0.642860.5038511.3107-0.43840201.2230026717195131129
Nutshell Combo0.651060.5021611.45860.17440209.2900023615382116115
Kambour Rating0.636000.5020411.96940.34090219.3050025115991123122
Dunkel Index0.639100.5019211.53850.72850207.4710026717096131130
Sports Report Pred0.678570.5000017.4818-2.57630552.83600281991414
ARGH Power Ratings0.650790.5000011.48620.00200204.4930025316488116116
Jonathan Wilson0.607550.4980711.54360.64490213.46400266161104129130
Dwiggins0.642860.4978411.47411.31060200.4710023915385115116
Sagarin0.650380.4961511.45580.77610207.2930026717393129131
Upset Report0.590730.4959711.9069-2.71350225.14800260153106123125
Cover810.671360.4949010.9555-0.59370186.93500214143709799
Sagarin Elo0.661650.4942511.83390.80420219.6170026717690129132
YourLinx0.634040.4913011.80780.06150224.0790023614986113117
Sagarin Predictive0.639100.4904211.45580.75750209.5320026717096128133
LS - w/ team HFA0.624060.4884613.4596-0.74140297.37900267166100127133
Roger Johnson0.639270.4883711.57560.04800216.2110022014079105110
Tom Benson0.634450.4870711.78150.64020214.6460023915187113119
CPA Rankings0.627820.4865911.88550.01180212.8970026716799127134
Covers.com0.642860.4862711.34910.60260200.8890026717195124131
Pigskin Herald0.649060.4806211.5026-0.69360207.9640026617293124134
Sport Trends0.575190.4787612.25281.68120234.14700267153113124135
Hank Trexler0.657890.4782611.16480.04150196.8490026717591110120
CPA Retro Rankings0.635340.4769211.5772-0.05890207.6370026716997124136
System Median0.654140.4765611.23930.31440196.2390026717492122134
Scoring Effeciency0.642860.4712611.17940.67480202.3670026717195123138
Least Squares0.627820.4710411.9725-0.62020218.3720026716799122137
Line (opening)0.654140.4709011.19480.28300195.545002671749289100
Pythagorean Ratings0.627820.4674311.55410.61860213.5490026716799122139
Deslock Rankings0.623530.4658612.22980.08590242.6300025615996116133
Bihl Rankings0.640240.4658411.84311.63160215.11300165105597586
Least Abs. Val Reg0.601500.4653812.1275-0.56920224.49200267160106121139
Strengthranking.com0.651160.4642911.39750.13210200.213008756303945
System Average0.650380.4559411.24530.22260197.0210026717393119142
Kasulis Enhanced Spread0.624060.4500011.5036-0.37410205.93200267166100117143
Eric Hollobaugh0.639100.4362912.03260.26710225.6360026717096113146
Football GPA0.617020.4318211.69152.07450231.850004729181925
Line (updated)0.6654111.11990.24720193.7210026717789